DR. CLIFFORD B RUBIN (DO) – Internal Medicine Physician, NPI 1942375225

DR. CLIFFORD B RUBIN (DO) is a healthcare provider. based in So portland, Maine. specializing in INTERNAL MEDICINE. They hold the professional credentials DO. They hold a License No. 2010 (ME). The NPI Number for DR. CLIFFORD B RUBIN (DO) is 1942375225

Main info

Male
21 Years Of Experience
Accepts Medicare Assignment
Name
DR. CLIFFORD B RUBIN (DO)
NPI
1942375225
Phone
(207) 662-4618
Address
22 BRAMHALL ST
Enumeration Date
21 November 2006
Last Update Date
20 April 2026

Doctor Profile

Medical School Name
ARIZONA COLLEGE OF OSTEOPATHIC MEDICINE MID WESTERN UNIVERSITY
Secondary Phone
2075188869
Graduation Year
2005 (21 years ago)
PAC ID
4981779618
Group Practice PAC ID
7810229259
Professional Enrollment ID
I20080814000763
Address ID
ME041022363PO335XXAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness85
Years active:19State licenses:1Digital endpointsOther names

918 INTERNAL MEDICINE in ME

Provider Addresses for DR. CLIFFORD B RUBIN (DO)

  • 22 BRAMHALL ST

    PAVILION 1203

    SO PORTLAND, ME 04106

    Phone: (207) 662-4618

    Fax: (207) 662-6254

    Type: Location

  • 15 Rock Row Ste 110

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Type: Location

  • 155 Borthwick Ave Ste C

    Portsmouth, NH 038017156

    Phone: (603) 828-0100

    Fax: (603) 828-0111

    Type: Location

  • 105 Topsham Fair Mall Rd Unit 1

    Topsham, ME 040861773

    Phone: (207) 303-3300

    Fax: (207) 250-2137

    Type: Location

  • 11 Rock Row Ste 120

    Westbrook, ME 040924877

    Phone: (207) 303-3300

    Fax: (207) 250-2139

    Type: Location

  • 22 Bramhall St

    Pavilion 1203

    So Portland, ME 04106

    Phone: (207) 662-4618

    Fax: (207) 662-6254

    Type: Location

  • 39 WALLACE AVE

    SO PORTLAND, ME 04106

    Phone: (207) 761-0650

    Fax: (207) 761-8198

    Type: Mailing

  • 2 INDEPENDENCE DR

    KENNEBUNK, ME 040436078

    Phone: (207) 303-3300

    Fax: (207) 250-2144

    Type: Location

  • PO BOX 911

    BRATTLEBORO, VT 053020911

    Phone: (207) 303-3200

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-10-14

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080814000763IInternal MedicineMETBD
I20251014000896IInternal MedicineNHTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes21091$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes16881$0
99239Hospital discharge day management, more than 30 minutes7974$0
99238Hospital discharge day management, 30 minutes or less1918$0
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes1817$0
View full utilization report →

Insurance plans in this area (ZIP 04106)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7810229259View full group profile
NameSpecialtyState
Family PracticeME
Family PracticeME
Physician AssistantME
Family PracticeNY
Internal MedicineVA
Physician AssistantME
Emergency MedicineME
Physician AssistantME
Family Practice, Hospice/Palliative CareME

Reviews

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Frequently asked questions

What NPI should I save for DR. CLIFFORD B RUBIN (DO)?
Save NPI 1942375225 if you need a stable reference for DR. CLIFFORD B RUBIN (DO).
Is DR. CLIFFORD B RUBIN (DO) currently active in the NPI registry?
CMS-published data lists DR. CLIFFORD B RUBIN (DO) as an active registrant.
What does DR. CLIFFORD B RUBIN (DO) treat or focus on?
Patients typically see DR. CLIFFORD B RUBIN (DO) under the specialty Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Does DR. CLIFFORD B RUBIN (DO) practice in Maine?
You will see So Portland, Maine on file for DR. CLIFFORD B RUBIN (DO) alongside any extra practice locations.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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